Euglandina rosea

A Slimy Story: Snail Mucus

Land snails, mostly hermaphroditic, follow slime trails to find their mates. Others, including predatory Rosy Wolf Snails, follow the mucus to find their meals.
An ant in the snow

How Do Insects Survive Winter?

Some species have adapted to get themselves close to freezing without dying.
Photographs of criminals, with mask in the centre, from Cesare Lombroso's l'Uomo Delinquente, 1889

Criminal Minds? Try Criminal Bodies

Cesare Lombroso wanted to use science to understand who criminals were. But his ideas about biological "atavism" easily transferred to eugenics and nativism.
A hand holding a corn cob with a spray nozzle on its top

Corn Is Everywhere!

Two educators use the history of corn, from the domestication of maize 10,000 years ago to today's ubiquitous "commodity corn," to teach about biodiversity.
T helper cells and interleukin molecules

Cytokine Storms: The Cruel Irony of an Immune Response

When bodies fight back against infection, they can overwhelm themselves with their own destructive force.
A man standing before a large ant hill

I Spent Three Hours Staring at an Anthill

And all I got were these fascinating observations of parasitic ants that kidnap other ants.
A variety of beetles mounted on a board

The Race to Name New Species

Habitats are being destroyed so rapidly that species can go extinct before they are even named.
Climbers ascending Mount Everest

Mount Everest’s Death Zone

The zone above 8,000 meters is known among mountaineers as the “Death Zone.” Why do most deaths in the high mountains occur at these extreme heights?
An illustration of Casimir Pulaski

The New Legacy of Casimir Pulaski

New findings reveal that the Polish war officer who aided the American Revolution may have been intersex.
Frozen lake Baikal near Olkhon island

Exploring Lake Baikal

The world's largest, deepest freshwater lake is home to hundreds of species that don't live anywhere else on Earth. But it's threatened by climate change.